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BRIEF REPORTS

Automatic influence of arousal information on evaluative processing: Valence–arousal interactions in an affective Simon task

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Pages 1053-1061 | Received 10 Nov 2008, Accepted 19 May 2009, Published online: 22 Jul 2009
 

Abstract

Previous research showed that evaluation speed is faster for negative stimuli that are high in arousal and for positive stimuli that are low in arousal. The present study investigated whether arousal and valence analogously interact in automatic stimulus evaluations, i.e., if stimulus valence is irrelevant for the task. One sample of participants switched randomly between an evaluation task and an affective Simon task that assessed stimulus evaluations indirectly. Another sample completed a pure Simon task. In all conditions, the influence of affective stimuli on task performance was enhanced when valence and arousal were congruent (i.e., high-arousing negative and low-arousing positive stimuli) than when both stimulus dimensions were incongruent (i.e., low-arousing negative and high-arousing positive stimuli). These findings suggest that evaluative implications of stimulus arousal and valence are automatically inferred even when stimulus evaluation is irrelevant for the task at hand.

Acknowledgements

We thank Pelle Bernhold for help in data collection.

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